import newlib-2000-02-17 snapshot

1 files changed, 73 insertions, 0 deletions

diff --git a/newlib/libm/math/wf_fmod.c b/newlib/libm/math/wf_fmod.c
new file mode 100644
index 000000000..320daabde
--- /dev/null
+++ b/newlib/libm/math/wf_fmod.c
@@ -0,0 +1,73 @@
+/* wf_fmod.c -- float version of w_fmod.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+/* 
+ * wrapper fmodf(x,y)
+ */
+
+#include "fdlibm.h"
+#include <errno.h>
+
+#ifdef __STDC__
+	float fmodf(float x, float y)	/* wrapper fmodf */
+#else
+	float fmodf(x,y)		/* wrapper fmodf */
+	float x,y;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_fmodf(x,y);
+#else
+	float z;
+	struct exception exc;
+	z = __ieee754_fmodf(x,y);
+	if(_LIB_VERSION == _IEEE_ ||isnanf(y)||isnanf(x)) return z;
+	if(y==(float)0.0) {
+            /* fmodf(x,0) */
+            exc.type = DOMAIN;
+            exc.name = "fmodf";
+	    exc.err = 0;
+	    exc.arg1 = (double)x;
+	    exc.arg2 = (double)y;
+            if (_LIB_VERSION == _SVID_)
+               exc.retval = x;
+	    else
+	       exc.retval = 0.0/0.0;
+            if (_LIB_VERSION == _POSIX_)
+               errno = EDOM;
+            else if (!matherr(&exc)) {
+                  errno = EDOM;
+            }
+	    if (exc.err != 0)
+	       errno = exc.err;
+            return (float)exc.retval; 
+	} else
+	    return z;
+#endif
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+	double fmod(double x, double y)
+#else
+	double fmod(x,y)
+	double x,y;
+#endif
+{
+	return (double) fmodf((float) x, (float) y);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */